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CuBA – a CUDA implementation of BAMPS

Nuno Cardoso, Pedro Bicudo, Ulrike Eilhauer, Ioanni Bouras
CFTP, Departamento de Fisica, Instituto Superior Tecnico, Universidade Tecnica de Lisboa, Av. Rovisco Pais, 1049-001 Lisbon, Portugal
arXiv:1208.0961v1 [hep-ph] (4 Aug 2012)

@article{cardoso2012cuba,

   author={"Cardoso},

   title={"{CuBA – a CUDA implementation of BAMPS}"},

   year={2012},

   eprint={"1208.0961"},

   archivePrefix={"arXiv"},

   primaryClass={"hep-ph"},

   SLACcitation={"%%CITATION=ARXIV:1208.0961;%%"}

}

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Using CUDA as programming language, we create a code named CuBA which is based on the CPU code "Boltzmann Approach for Many Parton Scattering (BAMPS)" developed in Frankfurt in order to study a system of many colliding particles resulting from heavy ion collisions. Furthermore, we benchmark our code with the Riemann Problem and compare the results with BAMPS. They demonstrate an improvement of the computational runtime, by one order of magitude.
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